Homework Help: chemistry

Posted by Katie on Monday, February 13, 2012 at 6:35pm.

Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)4]2–(aq) complex ion.

chemistry - DrBob222, Monday, February 13, 2012 at 6:54pm
2NaOH(aq) + Pb(NO3)2(aq) ==> Pb(OH)2(s) + 2NaNO3(aq)

Pb(OH)2(s) + 2NaOH(aq) ==> Na2Pb(OH)4(aq)
chemistry - Sarah, Friday, May 11, 2012 at 8:19pm
I had the exact same question, but the when I tried the second equation, it was wrong.
chemistry - Massie, Saturday, March 2, 2013 at 11:19pm
Same as Sarah
chemistry - Anonymous, Monday, March 18, 2013 at 9:12pm
second equation is

Pb(OH)2(s)+2OH^-(aq)<---> [Pb(OH)4]^2-(aq)

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